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/**
* Copyright (C) 2022-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include "mongo/db/query/optimizer/cascades/memo.h"
#include "mongo/db/query/optimizer/metadata.h"
#include "mongo/db/query/optimizer/node_defs.h"
#include "mongo/db/query/optimizer/utils/utils.h"
namespace mongo::optimizer {
ABT wrapConstFilter(ABT node);
ABT unwrapConstFilter(ABT node);
template <class ToAddType, class ToRemoveType>
static void addRemoveProjectionsToProperties(properties::PhysProps& properties,
const ToAddType& toAdd,
const ToRemoveType& toRemove) {
ProjectionNameOrderPreservingSet& projections =
properties::getProperty<properties::ProjectionRequirement>(properties).getProjections();
for (const auto& varName : toRemove) {
projections.erase(varName);
}
for (const auto& varName : toAdd) {
projections.emplace_back(varName);
}
}
template <class ToAddType>
static void addProjectionsToProperties(properties::PhysProps& properties, const ToAddType& toAdd) {
addRemoveProjectionsToProperties(properties, toAdd, ToAddType{});
}
/**
* Extracts the "latest" logical plan. Starting from the root group, we follow the last logical
* nodes.
*/
ABT extractLatestPlan(const cascades::Memo& memo, GroupIdType rootGroupId);
/**
* Extracts a complete physical plan by inlining references to MemoPhysicalPlanNode.
*/
std::pair<ABT, NodeToGroupPropsMap> extractPhysicalPlan(MemoPhysicalNodeId id,
const Metadata& metadata,
const cascades::Memo& memo);
} // namespace mongo::optimizer
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